Roland SPD::One Percussion - Percussion Pad (SPD-1P) Claude Lakey External Power Supply Unit is

External Power Supply Unit is connected via Neutrik gold plated 4-pin XLRs

and even effects processors

and changing system settings

AMPEG B-15

good for subtle compression such as while tracking or on the Buss

Roland SPD::One Percussion - Percussion Pad (SPD-1P) Claude Lakey External Power Supply Unit isThe Roland SPD:: ONE PERCUSSION is a new type of digital percussion pad, one that allows any musician to add authentic percussion sounds to their performances. It contains 22 realistic percussion sounds, including snare and kick drums, hi hats, cymbals, shakers, tambourines, and more, and you can even import your own original audio data into one of the 12 internal sound banks. Once youre ready to go, the SPD:: ONE PERCUSSIONs robust yet sensitive pad